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Cheap flights from Ottawa to Las Vegas from $147

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Las Vegas departing on 11/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ottawa to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
5:40 am - 9:31 pmYOW-LAS
18h 51m2 stops
WestJet Logo
1:10 pm - 12:42 amLAS-YOW
8h 32m1 stop
$250WestJet
Find Deal
Mon, Nov 10 - Fri, Nov 14
WestJet Logo
7:15 pm - 6:39 pmYOW-LAS
26h 24m1 stop
WestJet Logo
1:10 pm - 12:42 amLAS-YOW
8h 32m1 stop
$251WestJet
Find Deal
Mon, Nov 10 - Fri, Nov 14
Multiple Airlines Logo
5:40 am - 2:47 pmYOW-LAS
12h 07m1 stop
Multiple Airlines Logo
12:40 pm - 12:42 amLAS-YOW
9h 02m1 stop
$255Multiple Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18
Multiple Airlines Logo
5:40 am - 2:47 pmYOW-LAS
12h 07m1 stop
Multiple Airlines Logo
12:40 pm - 12:42 amLAS-YOW
9h 02m1 stop
$256Multiple Airlines
Find Deal
Tue, Nov 18 - Tue, Nov 25
Multiple Airlines Logo
5:40 am - 11:58 amYOW-LAS
9h 18m1 stop
Multiple Airlines Logo
7:15 pm - 2:44 pmLAS-YOW
16h 29m1 stop
$258Multiple Airlines
Find Deal
Fri, Nov 28 - Mon, Dec 1
WestJet Logo
5:40 am - 6:39 pmYOW-LAS
15h 59m2 stops
WestJet Logo
1:10 pm - 12:42 amLAS-YOW
8h 32m1 stop
$259WestJet
Find Deal
Tue, Nov 4 - Thu, Nov 13
WestJet Logo
5:40 am - 8:15 pmYOW-LAS
17h 35m2 stops
WestJet Logo
9:15 pm - 4:53 pmLAS-YOW
16h 38m2 stops
$260WestJet
Find Deal
Fri, Nov 14 - Mon, Nov 17
United Airlines Logo
6:20 am - 8:07 pmYOW-LAS
16h 47m2 stops
United Airlines Logo
3:41 pm - 10:26 amLAS-YOW
15h 45m2 stops
$264United Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
Air Canada Logo
4:10 pm - 10:31 pmYOW-LAS
9h 21m1 stop
Air Canada Logo
11:30 pm - 9:23 amLAS-YOW
6h 53m1 stop
$272Air Canada
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Mon, Nov 10 - Fri, Nov 14
United Airlines Logo
3:10 pm - 10:20 pmYOW-LAS
10h 10m1 stop
United Airlines Logo
4:15 pm - 10:26 amLAS-YOW
15h 11m2 stops
$279United Airlines
Find Deal
Fri, Nov 14 - Tue, Nov 18

WestJet flights from Ottawa to Las Vegas

Our best WestJet deals on Ottawa to Las Vegas flight tickets
WestJet
Nov 10
YOW5:40 amOttawa
18h 51m
2 stops
LAS9:31 pmLas Vegas Harry Reid Intl
Nov 14
LAS1:10 pmLas Vegas Harry Reid Intl
8h 32m
1 stop
YOW12:42 amOttawa
$250
Find similar
WestJet
Nov 10
YOW7:15 pmOttawa
26h 24m
1 stop
LAS6:39 pmLas Vegas Harry Reid Intl
Nov 14
LAS1:10 pmLas Vegas Harry Reid Intl
8h 32m
1 stop
YOW12:42 amOttawa
$251
Find similar
WestJet
Nov 4
YOW5:40 amOttawa
15h 59m
2 stops
LAS6:39 pmLas Vegas Harry Reid Intl
Nov 13
LAS1:10 pmLas Vegas Harry Reid Intl
8h 32m
1 stop
YOW12:42 amOttawa
$259
Find similar

United Airlines flights from Ottawa to Las Vegas

Our best United Airlines deals on Ottawa to Las Vegas flight tickets
United Airlines
Nov 5
YOW6:20 amOttawa
16h 47m
2 stops
LAS8:07 pmLas Vegas Harry Reid Intl
Nov 12
LAS3:41 pmLas Vegas Harry Reid Intl
15h 45m
2 stops
YOW10:26 amOttawa
$264
Find similar
United Airlines
Nov 14
YOW3:10 pmOttawa
10h 10m
1 stop
LAS10:20 pmLas Vegas Harry Reid Intl
Nov 18
LAS4:15 pmLas Vegas Harry Reid Intl
15h 11m
2 stops
YOW10:26 amOttawa
$279
Find similar
United Airlines
Nov 4
YOW11:10 amOttawa
15h 42m
2 stops
LAS11:52 pmLas Vegas Harry Reid Intl
Nov 11
LAS3:41 pmLas Vegas Harry Reid Intl
15h 45m
2 stops
YOW10:26 amOttawa
$294
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 9, 2025.
Use the filters below to find and compare flights from Ottawa to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 11/10

5:40 am-9:31 pm

2 stops18h 51m

Las Vegas Harry Reid Intl

Fri 11/14

1:10 pm-12:42 am

1 stop8h 32m

$250

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 11/10

7:15 pm-6:39 pm

1 stop26h 24m

Las Vegas Harry Reid Intl

Fri 11/14

1:10 pm-12:42 am

1 stop8h 32m

$251

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 11/11

5:40 am-2:47 pm

1 stop12h 07m

Las Vegas Harry Reid Intl

Tue 11/18

12:40 pm-12:42 am

1 stop9h 02m

$255

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 11/18

5:40 am-2:47 pm

1 stop12h 07m

Las Vegas Harry Reid Intl

Tue 11/25

12:40 pm-12:42 am

1 stop9h 02m

$256

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 11/28

5:40 am-11:58 am

1 stop9h 18m

Las Vegas Harry Reid Intl

Mon 12/1

7:15 pm-2:44 pm

1 stop16h 29m

$258

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 11/4

5:40 am-6:39 pm

2 stops15h 59m

Las Vegas Harry Reid Intl

Thu 11/13

1:10 pm-12:42 am

1 stop8h 32m

$259

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 11/14

5:40 am-8:15 pm

2 stops17h 35m

Las Vegas Harry Reid Intl

Mon 11/17

9:15 pm-4:53 pm

2 stops16h 38m

$260

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 11/5

6:20 am-8:07 pm

2 stops16h 47m

Las Vegas Harry Reid Intl

Wed 11/12

3:41 pm-10:26 am

2 stops15h 45m

$264

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 11/10

4:10 pm-10:31 pm

1 stop9h 21m

Las Vegas Harry Reid Intl

Fri 11/14

11:30 pm-9:23 am

1 stop6h 53m

$272

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 11/14

3:10 pm-10:20 pm

1 stop10h 10m

Las Vegas Harry Reid Intl

Tue 11/18

4:15 pm-10:26 am

2 stops15h 11m

$279

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Las Vegas from

How to get the cheapest flight ticket from Ottawa to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Ottawa and Las Vegas?

What is the cheapest month to fly to Las Vegas?

The month of January is, on average, the cheapest month to fly to Las Vegas from Ottawa, with most prices found around $254. The month of February is another great option to travel to Las Vegas, with average flight prices from Ottawa averaging around $276.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Monday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $272. Flights from Ottawa to Las Vegas on a Thursday will generally be more expensive and average around $493. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the morning when flights can be purchased for as low as $259. Flights to Las Vegas are more costly at noon, with an average ticket price of $400. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Ottawa to Las Vegas Harry Reid Intl flight route?

Fly from Ottawa to Las Vegas Harry Reid Intl for the best Ottawa - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $317 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Ottawa for as low as $275 on momondo.

What cabin class options are available on Ottawa to Las Vegas Harry Reid Intl flights?

There is only 1 cabin class available to choose from on Ottawa to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ottawa to Las Vegas flights?

You could potentially save up to 11% on your flight if you consider stops on a Ottawa to Las Vegas flight.

How have Ottawa to Las Vegas flight prices changed over time?

As of October 2025, prices for Ottawa to Las Vegas flights are approximately 62% more expensive when compared to flights at the same time last year.

When to book flights from Ottawa to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ottawa to Las Vegas (YOW to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Las Vegas

Direct flights

None
There are no direct flights from Ottawa to Las Vegas. There are no popular flight routes from Ottawa to Las Vegas.
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  • How far is Ottawa to Las Vegas Harry Reid Intl by plane?

    There are 2134.1 mi between Ottawa and Las Vegas Harry Reid Intl. In terms of flight time, this usually takes a little over 8h 44m.

  • When did momondo last update prices for flights from Ottawa Airport to Las Vegas Harry Reid Intl Airport?

    Prices for flights from Ottawa Airport to Las Vegas Harry Reid Intl Airport are updated daily.

  • How many operators does momondo search for flights from Ottawa Airport to Las Vegas Harry Reid Intl Airport?

  • How old do you have to be to fly from Ottawa Airport to Las Vegas Harry Reid Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Ottawa to Las Vegas?

  • What is the most popular airline from Ottawa to Las Vegas?

Best airlines flying from Ottawa to Las Vegas

Compare and see reviews for airlines that fly from Ottawa to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom $192Free CancellationRating
7.9
377 reviews
Search Porter Airlines flights
WestJetPriceFrom $216Free CancellationRating
7.2
3,122 reviews
Search WestJet flights
Air CanadaPriceFrom $231Free CancellationRating
7.1
10,263 reviews
Search Air Canada flights
United AirlinesPriceFrom $234Free CancellationRating
7.4
8,966 reviews
Search United Airlines flights

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Mesquite
Paradise
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Sunrise Manor
Winchester
Needles

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Las Vegas?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ottawa to Las Vegas for you.

Can I find flights from Ottawa to Las Vegas with flexible booking policies on momondo?

All flight searches from Ottawa to Las Vegas on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ottawa to Las Vegas?

Once you have performed a search for Ottawa to Las Vegas flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ottawa to Las Vegas right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Las Vegas, momondo offers a useful price alert feature which will track prices for flights to Las Vegas from Ottawa and alert you when they change.

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